Cheap flights from Ontario to San Francisco from C$ 173

Currently, January is the cheapest month in which you can book a flight from Ontario to San Francisco (average of C$ 274). Flying from Ontario to San Francisco in July is currently the most expensive (average of C$ 418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

• What airports do I use to fly from Ontario to San Francisco?

  Booking a flight from Ontario (ONT) to San Francisco (SFO) is your only option if you wish to fly from Ontario to San Francisco. On a typical day, there are 6 flights from Ontario to San Francisco, all of which are around 1h 25m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Ontario to San Francisco.

• Can I find flights from Ontario to San Francisco for under C$ 300 on Cheapflights?

  Yes, there are multiple flights from Ontario to San Francisco for under C$ 300. The cheapest flight booked recently is on United Airlines for just C$ 267, but on average you can expect to pay C$ 404.

• Are there direct flights from Ontario to San Francisco for under C$ 400 on Cheapflights?

  Cheapflights has 5 direct flights from Ontario to San Francisco under C$ 400. A good price for a direct flight from Ontario to San Francisco is less than C$ 419.

• Are there last-minute flights available from Ontario to San Francisco for under C$ 500?

  There are currently 20+ open flights from Ontario to San Francisco within the next 7 days for less than C$ 500.

• What days are direct flights available from Ontario to San Francisco?

  Direct flights can be found on the following days: Sunday, Monday, Thursday, Friday, Saturday.

• How popular is this Ontario to San Francisco flight route?

  Within the past month, 14 users have taken a look at flights from Ontario to San Francisco.

• How many flights depart from Ontario to San Francisco on average per day?

  On average 8 flights depart from Ontario to San Francisco per day.
  Early Morning (Midnight to 6am) - 75% of flight departures
  Morning (6am - Midday) - 25% of flight departures

• How long is the flight from Ontario to San Francisco?

  There are many flights that can get you from Ontario to San Francisco in 1h 25m. Fly via United Airlines, Southwest, or Alaska Airlines to get the fastest option. The distance from Ontario to San Francisco is about 586 km. This flight may include one or multiple stops.

• What are the cheapest airlines flying from Ontario to San Francisco round-trip?

  Our cheapest airline available from Ontario to San Francisco is United Airlines. Our recent data shows that you can find tickets from as low as C$ 267 on this airline. Additional options worth looking into are Southwest and Alaska Airlines, starting at C$ 297 and C$ 423 round-trip.

• What are the cheapest airlines to fly from Ontario to San Francisco one-way?

  The cheapest airlines for a one-way flight from Ontario to San Francisco are United Airlines (C$ 173), Frontier (C$ 174), and Delta (C$ 201).

• What are the most reliable airlines from Ontario to San Francisco?

  No one likes to see their flight delayed. When booking a flight from Ontario to San Francisco consider choosing United Airlines (72%), SkyWest Airlines (65%) or Air Canada (65%) as they are the most reliable in getting you off to your destination on time.

• What are the cheapest flights from Ontario to San Francisco?

  While on average a flight from Ontario to San Francisco is generally C$ 530, our data shows the cheapest flight currently is C$ 26. When looking at the most popular route, (Ontario - San Francisco), you can expect to pay C$ 184 for that flight.

• What does ONT to SFO mean?

  This is defined as Ontario Airport (ONT) and San Francisco Airport (SFO). Codes like San Francisco Airport are often used to just call airports uniquely.

• Can I find deals for flights from Ontario to San Francisco that include extra baggage allowance?

  The amount of baggage you can bring on your Ontario to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from Ontario to San Francisco with specific airlines?

  Yes, Cheapflights allows you to browse and filter Ontario to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

• Can I find deals for flights from Ontario to San Francisco that include hotel bookings?

  Yes. In addition to deals on Ontario to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

• How can I find direct flights from Ontario to San Francisco?

  After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Francisco.

• Can I find deals for business class flights from Ontario to San Francisco?

  Yes. Cheapflights offers flight deals from Ontario to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

• Can I find deals for flights from Ontario to San Francisco that allow pets onboard?

  Many airlines flying from Ontario to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from Ontario to San Francisco?

  Yes, you can often find last-minute deals on Ontario to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the Ontario to San Francisco flight deals updated?

  The Ontario to San Francisco flight deals you see on this page were last updated on 8/5.